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<div class="hgroup"><h1 class="title">Virtualization</h1></div>
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<p class="para">Virtualization is being adopted in many different environments and
  situations. If you are a developer, virtualization can provide you with a
  contained environment where you can safely do almost any sort of development
  safe from messing up your main working environment. If you are a systems
  administrator, you can use virtualization to more easily separate your
  services and move them around based on demand.</p>
<p class="para">The default virtualization technology supported in Ubuntu is
  <span class="app application">KVM</span>. For Intel and AMD hardware KVM requires
  virtualization extensions. But KVM is also available for IBM Z and LinuxONE,
  IBM POWER as well as for ARM64.
  <span class="app application">Xen</span> is also supported on Ubuntu, but not for all architecture, 
  for example not for IBM Z and LinuxONE.
  Xen can take advantage of virtualization extensions,
  when available, but can also be used on hardware without virtualization
  extensions. <span class="app application">Qemu</span> is another popular solution for
  hardware without virtualization extensions.</p>
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